STRUCT TTM_LRU_ITEM(9)

💅 struct ttm_lru_item(9)

okay so bestie, welcome to the Kernel API Manual entry for struct ttm_lru_item(9) — it's giving "tiny struct, big responsibilities" and honestly I'm obsessed. Let's get into it 🎀

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✨ NAME ✨

struct ttm_lru_item — literally the TTM lru list node base class. that's it. that's the whole vibe. she's a base class, she's an lru list node, she's iconic 💅

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🌸 SYNOPSIS 🌸

struct ttm_lru_item {
    struct list_head link;
    enum ttm_lru_item_type type;
 };

look at her. two members. no notes. 🫶

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🦋 Members 🦋

• link — the list link. yeah. that's the actual description and honestly? slay, keep it simple ✨
• type — the subclass type. it tells you which subclass she's repping, no cap 👑

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👑 SEE ALSO 👑

okay so the required reading list is LONG but we're gonna get through it together, fr fr. all of these live in the kernel file ./include/drm/ttm/ttm_resource.h 🍓:

• TTM_NUM_MOVE_FENCES(9)
• enum ttm_lru_item_type(9)
• ttm_lru_item_init(9)
• struct ttm_resource_manager(9)
• struct ttm_bus_placement(9)
• struct ttm_resource(9)
• ttm_lru_item_to_res(9)
• struct ttm_lru_bulk_move_pos(9)
• struct ttm_lru_bulk_move(9)
• struct ttm_resource_cursor(9)
• struct ttm_kmap_iter_iomap(9)
• struct ttm_kmap_iter_linear_io(9)
• ttm_resource_manager_set_used(9)
• ttm_resource_manager_used(9)
• ttm_resource_manager_cleanup(9)
• ttm_resource_manager_for_each_res(9)

like… that's a whole friend group and struct ttm_lru_item is the main character holding them together, iykyk 💖

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bestie reminder: every single one of those references is real and you should go read them. don't skip the reading. that's not the vibe. 😭

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./include/drm/ttm · October 2026 · struct ttm_lru_item(9) — and that's the whole page, mwah 💋✨ go forth and lru-list responsibly, ily 🫶🌈